DIY 40W Laser pointer A CO2 laser gun
DIY 40W Laser pointer DIY 40W CO2 laser gun I made a hand-held laser gun, the tube is 40W CO2 laser tube, with 532nm 5mw green laser sight for aiming, It can be fired within ten meters .Of course, if you can hold it steady, it can be fired at further distances. It can blasting ...